How To Care For Your Blood Orange Bonsai Tree
Citrus Sinensis Bonsai Care
About The Blood Orange Citrus Bonsai Tree
Blood oranges are widely grown in Spain and Italy for their crimson or dark red (blood) colored flesh.
Blood oranges are a natural variety of Citrus Sinensis, categorized by the anthocyanin pigmentation, not typically found in citrus - but common in other red fruits and flowers. This is the secret to its uniquely colored pulp.
The fruit ranges from small to medium sized, and usually has a pitted skin - but it can be smooth.
The juice from this orange is absolutely delicious.
Like most citrus trees, a blood orange bonsai is tropical. That means it wants to stay warm all year long.
When the outdoor lows are around 45 degrees F, place your blood orange bonsai tree on a windowsill indoors. South facing is best, east or west is second best, and you should avoid north if you can (or just use an indoor grow light.)
When the temperatures are above 50 degrees, your blood orange bonsai tree can live outdoors.
It loves a TON of sun, so don't feel the need to protect it. Just ensure it's well watered.
Never let the soil completely dry out. Whenever the soil seems dry, thoroughly water your tree until the water runs clear from the bottom. In the growing season, this can be daily.
If you need help, a good moisture meter will guide you.
When your blood orange bonsai tree inside, using a humidity tray is recommended. It will prevent the water from running on the floor, and can help boost the humidity around the tree.
Since your blood orange bonsai is in a small pot, and not the ground, it needs nutrients. A slow release (pellet based) fertilizer is perfect for this, and can be added sparingly every 1-2 months during the growing season.
If you plan on eating the oranges, you should stick with a fertilizer that you're comfortable putting on a food producing plant, but dilute it to at least half the recommended strength.
Pruning & Trimming
Trim back the new growth to the farthest safe point that looks good to you — but never remove all of the new growth.
A regular trim will help keep your blood orange bonsai tree short, while helping the trunk grow thicker.
Repotting must be performed periodically on your bonsai, blood orange included, when its root system has filled the pot. If you can clearly see the roots coming out of the bottom of the pot, it’s time to repot your bonsai.
Generally, this means every 2-3 years for a deciduous tree and every 4-5 years for an evergreen or tropical.
Repotting should be done in mid-summer, when the tree is at it’s least fragile state.
The blood orange bonsai tree, along with all of its soil, should be removed from the pot. From there, you can trim away no more than 1/3rd of the root mass (1/4th is preferred.)
Then you can repot the tree in the same pot, or give it a newer / bigger pot to thrive in.
After repotting, your blood orange bonsai should be thoroughly watered.
Diseases, Insects & Other Pests
Your blood orange bonsai can be treated for pests like a normal blood orange tree. Just remember, your tree is miniature and will need a much smaller and more gentile dose of treatment.
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